Home / 14,157.36-21,238.72-6,762.40

Finding the Fourth Proportional to 14,157.36, 21,238.72 and 6,762.40

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Solution

The fourth proportional to 14,157.36, 21,238.72 and 6,762.40 is: 10,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.36 : 21,238.72 = 6,762.40 : x
  2. Step 2: Convert to fraction form
    14,157.36/21,238.72 = 6,762.40/x
  3. Step 3: Cross multiply
    14,157.36x = 21,238.72 × 6,762.40
  4. Step 4: Simplify right side
    14,157.36x = 143,624,720.13
  5. Step 5: Solve for x
    x = 143,624,720.13/14,157.36
  6. Step 6: Final answer
    x = 10,144.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.